Engineering & Industrial Plastics Susta Peek Get latest price

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It is a semi-crystalline thermoplastic with excellent chemical resistance to a wide range of chemical environments; even at elevated temperatures, although concentrated sulphuric acid dissolves PEEK™.

?Susta®PEEK is a unique engineering material with a glass transition temperature of 143°C and a melting temperature of 343°C. Independent tests have shown PEEK™ exhibits a heat distortion temperature up to 315°C in glass fibre filled and a continuous use temperature of 260°C.

Susta®PEEK has excellent friction and wear properties which are optimised in the specially formulated tribological grade, which contains 10% Graphite, 10% PTFE and 10% Carbon Fibres.

Susta®PEEK is a highly stable polymer and requires no flame-retardants or additives to achieve a UL 94 V-O rating at 1.45mm thickness. The composition and inherent purity of PEEK™ results in extremely low smoke and toxic gas emission in fire situations.

Susta®PEEK is not chemically attacked by water or pressurised steam and retains a high level of mechanical properties.

Susta®PEEK has excellent electrical properties and low levels of extractable ionic species and outgassing

Applications - Parts Exposed to High Temperatures, Mechanical Loads, X-Rays or Gamma Rays

Features

• Electric Insulators and Housings
• Wire and Cable Insulation
• Rotor Arms
• Friction Discs and Seals
• Shock Absorbers
• Components for Analytical Equipment
• Components for Dialysis Equipment
• Valve Linings
• Impeller Wheels for Pumps

Properties

• Excellent hydrolysis and chemical resistance
• Good tribological properties. FDA approved
• Excellent radiation resistance to 1100 M RADS
• Very Good continuous service temperature of +250C
• Hardly inflammable and self-extinguishing. Flammability meets UL V0
• Extremely low smoke density
• Low coefficient of linear thermal expansion
• Good electrical insulating properties over a broad temperature range
• Excellent dimensional stability. High dimensional stability under heat
• Optimised balance of stiffness, tensile and impact strength
• Outstanding sliding properties
• Excellent abrasion and wear resistance
• Low creep tendency
• Good machinability and thermoformability
• Good adhesive properties
• Good weldability

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